Rhododendron rivulare Hand.-Mazz.

Shrubs, evergreen, 1–3 m tall; young shoots densely shortly ferruginous glandular-hairy, also with coarse flat appressed hairs and long setae. Summer and winter leaves different. Petiole 5–10 mm, densely shortly ferruginous glandular-hairy; leaf blade papery, ovate-lanceolate or oblong-ovate, 5–9(–11.5) × 1–4 cm; base subrounded; margin entire, shortly setose; apex acuminate and mucronate; abaxial surface conspicuously hairy on midrib; adaxial surface sparsely villous, later with hair remnants only on midrib; lateral veins not reaching the margin. Inflorescence more than 10-flowered. Pedicel ca. 1.5 cm, densely shortly glandular-hairy and with coarse long flat appressed hairs; calyx lobes narrowly triangular, 2–5 mm, shortly pale yellow-brown glandular-hairy and coarsely long-strigose; corolla funnelform, purple-red, ca. 2.3 cm; tube narrowly cylindric, widening above, ca. 13 × 2 mm, outer surface glabrous, inner surface puberulent, lobes oblong-ovate; stamens 5, unequal, 2.5–2.8 cm, exserted, filaments puberulent below; ovary ovoid, densely red-brown-setose. Capsule oblong-ovoid, ca. 9 × 4 mm, densely long setose. Fl. Apr–Jun, fr. Jul–Nov.

Guangdong, Guangxi, Guizhou, Hubei, Hunan, Sichuan.

Dense valley forests; 700–1200 m.

Rhododendron rivulare adalah spesies tumbuhan yang tergolong ke dalam famili Ericaceae. Spesies ini juga merupakan bagian dari ordo Ericales. Spesies Rhododendron rivulare sendiri merupakan bagian dari genus Rhododendron.

Rhododendron rivulare là một loài thực vật có hoa trong họ Thạch nam. Loài này được Hand.-Mazz. miêu tả khoa học đầu tiên năm 1921.

溪畔杜鹃（学名：Rhododendron rivulare）为杜鹃花科杜鹃属下的一个种。